Luoyangshixigongyonghexiangwuzishanghang

Luoyang City, Yonghe Cheung Sai Engineering firm is the production of materials of organic pigments azo series of professional companies, ten years has devoted to development and production of azo pigments, azo pigment production has increased to 1,200 tons, widely used in plastics, printing ink , paint, rubber and textile printing industries. The main products are Light Fast Scarlet BBN, Fast Brilliant Red BBC, Fast Yellow G, Fast Yellow 1OG, Benzidine Yellow, Permanent Yellow G, toluidine red, golden red C than a dozen varieties, exports have been more than 50%.